Concentration-gradient
noun, Chemistry.
1.
the gradual difference in concentration of a dissolved substance in a solution between a region of high density and one of lower density.
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[kon-suh n-treyt] /ˈkɒn sənˌtreɪt/ verb (used with object), concentrated, concentrating. 1. to bring or draw to a common center or point of union; converge; direct toward one point; focus: to concentrate one’s attention on a problem; to concentrate the rays of the sun with a lens. 2. to put or bring into a single place, […]
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[kon-sen-ter, kuh n-] /kɒnˈsɛn tər, kən-/ verb (used with or without object), concentred, concentring. Chiefly British. 1. . [kon-sen-ter, kuh n-] /kɒnˈsɛn tər, kən-/ verb (used with or without object) 1. to bring or converge to a common center; concentrate. /kɒnˈsɛntə/ verb 1. to converge or cause to converge on a common centre; concentrate
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[kuh n-sen-trik] /kənˈsɛn trɪk/ adjective 1. having a common center, as circles or spheres. /kənˈsɛntrɪk/ adjective 1. having a common centre: concentric circles Compare eccentric (sense 3) adj. c.1400, from Middle French concentrique, from Medieval Latin concentricus, from com- “together” (see com-) + centrum “circle, center” (see center (n.)). concentric con·cen·tric (kən-sěn’trĭk) adj. Having a […]
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[kuh n-sen-trik] /kənˈsɛn trɪk/ adjective 1. having a common center, as circles or spheres. /kənˈsɛntrɪk/ adjective 1. having a common centre: concentric circles Compare eccentric (sense 3) adj. c.1400, from Middle French concentrique, from Medieval Latin concentricus, from com- “together” (see com-) + centrum “circle, center” (see center (n.)). concentric con·cen·tric (kən-sěn’trĭk) adj. Having a […]